<?php

/**
 * A MySQL store.
 *
 * @package OpenID
 */

// Do not allow direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

/**
 * Require the base class file.
 */
require_once "Auth/OpenID/SQLStore.php";

/**
 * An SQL store that uses MySQL as its backend.
 *
 * @package OpenID
 */
class Auth_OpenID_MySQLStore extends Auth_OpenID_SQLStore {
	/**
	 * @access private
	 */
	function setSQL()
	{
		$this->sql['nonce_table'] =
			"CREATE TABLE %s (\n".
			"  server_url VARCHAR(2047) NOT NULL,\n".
			"  timestamp INTEGER NOT NULL,\n".
			"  salt CHAR(40) NOT NULL,\n".
			"  UNIQUE (server_url(255), timestamp, salt)\n".
			") ENGINE=InnoDB";

		$this->sql['assoc_table'] =
			"CREATE TABLE %s (\n".
			"  server_url BLOB NOT NULL,\n".
			"  handle VARCHAR(255) NOT NULL,\n".
			"  secret BLOB NOT NULL,\n".
			"  issued INTEGER NOT NULL,\n".
			"  lifetime INTEGER NOT NULL,\n".
			"  assoc_type VARCHAR(64) NOT NULL,\n".
			"  PRIMARY KEY (server_url(255), handle)\n".
			") ENGINE=InnoDB";

		$this->sql['set_assoc'] =
			"REPLACE INTO %s (server_url, handle, secret, issued,\n".
			"  lifetime, assoc_type) VALUES (?, ?, !, ?, ?, ?)";

		$this->sql['get_assocs'] =
			"SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
			"WHERE server_url = ?";

		$this->sql['get_assoc'] =
			"SELECT handle, secret, issued, lifetime, assoc_type FROM %s ".
			"WHERE server_url = ? AND handle = ?";

		$this->sql['remove_assoc'] =
			"DELETE FROM %s WHERE server_url = ? AND handle = ?";

		$this->sql['add_nonce'] =
			"INSERT INTO %s (server_url, timestamp, salt) VALUES (?, ?, ?)";

		$this->sql['clean_nonce'] =
			"DELETE FROM %s WHERE timestamp < ?";

		$this->sql['clean_assoc'] =
			"DELETE FROM %s WHERE issued + lifetime < ?";
	}

	/**
	 * @access private
	 */
	function blobEncode($blob)
	{
		return "0x" . bin2hex($blob);
	}
}

?>